quasar | 3d5f49779d8e932ed12ea1db7b60cdf49b1aa909cc30a279a8732332af274f4d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08-06-2024 21:38

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General

Target

discord ip grabber setup.exe
Size

3.1MB
MD5

125f0ea22dfd428a7f63bdca9049e089
SHA1

b1850e5701416ffd91d6a05058af265a02ebbcdf
SHA256

3d5f49779d8e932ed12ea1db7b60cdf49b1aa909cc30a279a8732332af274f4d
SHA512

7a830485cb848c1888705a7519c4dc09ce84ee8a87f282917687077ca97b1b448e9a4a2384b44f22e2cc061e3f75b1cdaf8a36953c00dd282aaf14950c1f2c2b
SSDEEP

49152:yviI22SsaNYfdPBldt698dBcjHD4mAmzXLoGdqETHHB72eh2NT:yvv22SsaNYfdPBldt6+dBcjHD4mda

Score

10^/10

quasar image spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

image

192.168.0.108:4782

Mutex

3238cac0-2b8d-4786-98d4-94ba3b0d3169

Attributes

encryption_key
6E340CD4BC59938B28E8EDCB44F294C2659196F8
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
antivirus startup
subdirectory
SubDir

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4120-1-0x0000000000380000-0x00000000006A4000-memory.dmp	family_quasar

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3460 schtasks.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

discord ip grabber setup.exe

description pid process

Token: SeDebugPrivilege 4120 discord ip grabber setup.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

discord ip grabber setup.exe

pid process

4120 discord ip grabber setup.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

discord ip grabber setup.exe

pid process

4120 discord ip grabber setup.exe

pid	process
3460	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	4120	discord ip grabber setup.exe

pid	process
4120	discord ip grabber setup.exe

pid	process
4120	discord ip grabber setup.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

discord ip grabber setup.exe

description	pid	process	target process
PID 4120 wrote to memory of 3460	4120	discord ip grabber setup.exe	schtasks.exe
PID 4120 wrote to memory of 3460	4120	discord ip grabber setup.exe	schtasks.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\discord ip grabber setup.exe
"C:\Users\Admin\AppData\Local\Temp\discord ip grabber setup.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4120

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "antivirus startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:3460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4120-0-0x00007FFF16FC0000-0x00007FFF1705D000-memory.dmp

Filesize
628KB

Download
memory/4120-1-0x0000000000380000-0x00000000006A4000-memory.dmp

Filesize
3.1MB

Download
memory/4120-2-0x000000001BEA0000-0x000000001BEF0000-memory.dmp

Filesize
320KB

Download
memory/4120-3-0x000000001BFB0000-0x000000001C062000-memory.dmp

Filesize
712KB

Download